| PKP ST40/NeWag 311Da | |
|---|---|
| PCC Rail 311D-14 at KWK Janina | |
| Power type | Diesel |
| Builder | Newag |
| Model | 311Da |
| Build date | 2007-200? |
| UIC classification | Co-Co |
| Gauge | 1,524 mm (PKP LHS) 1,435 mm (other operators) |
| Length | 17.55 m |
| Width | 2.95 m |
| Height | 4.62 m |
| Engine type | GE 7FDL 12 EFI |
| Traction motors | GE ED 118A |
| Top speed | 100 km/h |
| Power output | 2,133 kW |
| Safety systems | SHP |
| Career | PKP LHS/KB/PCC Rail |
| Number in class | 6 (PKP LHS) 5 (Kolej Bałtycka) 15 (DB Schenker Rail Polska) |
| Nicknames | "Robocop", "Transformer" |
| First run | 2007 |
| Disposition | in service |
PKP Class ST40 is a new class of cargo diesel-electric locomotives used by the broad-gauge division PKP LHS and diverse Polish private operators. It is designated 311D (standard gauge) or 311Da (broad gauge) by its manufacturer Newag. The locomotive itself is a heavily reconstructed old Russian M62 (PKP ST44), with only original chassis left, while body is all new, and main engine is General Electric power pack. Original traction engines were also modernized, as ED118 A GE. The locomotive is much more economical and modern than a basic M62. The body has external passages instead of internal passages connecting the cabs.
The first locomotive was modernized in 2007. As of January 2009, there were 20 locomotives 311D completed (15 for PCC Rail and 5 for the Baltic Railways) and 6 broad-gauge 311Da for PKP LHS, where they are designated ST40s.
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